RAF MUSEUM: Visit the Historic Hangars at the RAF Museum, Colindale on Saturday or Sunday and you'll find Christmas concerts beneath an Avro Lancaster bomber. The Barnet Band play Christmas classics and some RAF favourites while the Swing Time Sweethearts sing festive songs from the 40s. Free, just turn up, from 12.30 each day.

CHOCOLATE: Follow your nose to London Chocolate Festival in South Bank Square behind the Royal Festival Hall for all things choco nice and watch out for free samples. Read our preview. Friday to Sunday, free entry.

ART & SCIENCE: Winter Shuffle festival of art and science continues with Christmas film matinees, lectures and workshops at the abandoned psychiatric hospital in Mile End - although some events are now sold out. Read our preview, ends Sunday. Tickets vary, some events are free.

POP UP XMAS FILM: At the time of writing, in Vauxhall there are still tickets left for Scrooged on Saturday at 7pm and in Notting Hill, tickets are still available on Saturday for The Lion, The Witch and The Wardrobe at 1pm and Miracle on 34th Street at 8.30pm and on Sunday for The Muppets Christmas Carol at 5.30pm and Santa Claus The Movie at 8.30pm.

PRINT: Castle Gibson, Stoke Newington Road hosts the Three Course Story pop-up print sale, raising money for North London Action for the Homeless. Print Club London's original screen prints of the charity's service users are on sale displayed with quotes which tell their varied life stories. Free to turn up, prints cost £20 each. Saturday 4-8pm, Sunday 1-5pm.

ILLUMINATED KEW: Follow an illuminated festive trail around Kew Gardens after dark. Alongside the trail is a Christmas village and market, which is free entry. Book your Christmas at Kew trail for Thursday to Sunday evenings up until Christmas week, when there are special opening hours. Adult tickets £12.50, kids £8, from 4.45-8.45pm

CHOCOLATE: Brownies, cakes, churros, presents, demonstrations and actual chocolate itself are all available at the Chocolate Festival outside the Southbank Centre. Read more about what's happening with our preview.

CHRISTMAS MARKETS: Find a festive market near you and pick up some presents while scoffing a mince pie.

Saturday 14 December

CEMETERY: Take part in a Winter Fun Day at Abney Park cemetery in Stoke Newington. There’s guided tours, singing, storytelling and even a wreath making workshop. Free, just turn up, 10am-3pm

SANTACON: Watch out for four hordes of jolly Santas getting jollier by the hour as Santacon hits London. There'll be ho ho hos, carols and sweets and potentially 16 hours of drinking from 11am

WANDSWORTH: Free Festive Fun at Wandsworth Museum and The De Morgan Centre means free entry to both, Christmas cracker and tree decoration making, and mulled wine and mince pies on sale in the cafe. Take the chance to visit the exhibition, Keep It Clean! – A Grubby History of Wandsworth and London and have a look at the collection of paintings, drawings and ceramics by Arts and Crafts artists William and Evelyn De Morgan. 11am-5pm

FUNKY MUSIC: Cabbage Alley is a new night in Hackney dedicated to Funk-Jazz and soul music. Two live bands play original material plus DJs late into the night. Tickets £6, 6pm-midnight

PODCAST PARTY: The Guardian and One Life Left host a Christmas party at the Burlington Arms in Mayfair, complete with tabletop games, videogame Secret Santa and a commemorative badge. £11, prebook, 6.30pm.

DRUNKEN NIGHTS: A series of site-based live events in pubs and bars, Drunken Nights is at The Bell near Liverpool Street station with dance, language and comedy performances. Free, just turn up, from 7.30pm

GET HITCHED: Not been to enough weddings this year? Fancy playing bride or groom without any of the commitment or massive expense? Shotgun Weddings throws an Xmas style party at Ego, Stoke Newington and provides an immersive wedding cabaret experience where two total strangers will be united in unholy matrimony. Tickets £10 advance, book, 8pm-2am

GOTHIC CHRISTMAS: A collection of family-friendly Christmas ghost stories at the BFI Southbank, with live musical accompaniment and a screening of 1904 film The Mistletoe Bough. £11 / £8.50, 3.30pm

Sunday 15 December

BARBICAN: Head up to the top floor of the Barbican Centre and explore their amazing Conservatory - a tropical oasis in the heart of the city. Say hi to the turtles. Free, just turn up, 11am-5.30pm

CHRISTMAS COMEDY: Comedy Club 4 Kids is doing a special Christmas "anti-panto science comedy mess " at the Bloomsbury Theatre called the Santa Claus Science Experiment. Loads of great comedians and clever people are involved and it's aimed at 6-99 year olds. Tickets £12.50, 2.30pm

CHRISTMAS CHOIR: London choir Voce present their Christmas Extravaganza; a "sublime selection of Christmas music both popular and unknown" at Grosvenor Chapel, Audley Street. Tickets £12/£9 advance, £15/£12 on the door, 7pm